42261790423 has 2 divisors, whose sum is σ = 42261790424. Its totient is φ = 42261790422.

The previous prime is 42261790411. The next prime is 42261790471. The reversal of 42261790423 is 32409716224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42261790423 - 2¹⁷ = 42261659351 is a prime.

It is a super-3 number, since 3×42261790423³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42261790723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21130895211 + 21130895212.

It is an arithmetic number, because the mean of its divisors is an integer number (21130895212).

Almost surely, 2^42261790423 is an apocalyptic number.

42261790423 is a deficient number, since it is larger than the sum of its proper divisors (1).

42261790423 is an equidigital number, since it uses as much as digits as its factorization.

42261790423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 42261790423 in words is "forty-two billion, two hundred sixty-one million, seven hundred ninety thousand, four hundred twenty-three".